| /* |
| * Copyright (C) 2009-2011 the libgit2 contributors |
| * |
| * This file is part of libgit2, distributed under the GNU GPL v2 with |
| * a Linking Exception. For full terms see the included COPYING file. |
| */ |
| #ifndef INCLUDE_git_thread_utils_h__ |
| #define INCLUDE_git_thread_utils_h__ |
| |
| /* |
| * How TLS works is compiler+platform dependant |
| * Sources: http://en.wikipedia.org/wiki/Thread-Specific_Storage |
| * http://predef.sourceforge.net/precomp.html |
| */ |
| |
| #ifdef GIT_THREADS |
| # define GIT_HAS_TLS 1 |
| |
| /* No TLS in Cygwin */ |
| # if defined(__CHECKER__) || defined(__CYGWIN__) |
| # undef GIT_HAS_TLS |
| # define GIT_TLS |
| |
| /* No TLS in Mach binaries for Mac OS X */ |
| # elif defined(__APPLE__) && defined(__MACH__) |
| # undef GIT_TLS |
| # define GIT_TLS |
| |
| /* Normal TLS for GCC */ |
| # elif defined(__GNUC__) || \ |
| defined(__SUNPRO_C) || \ |
| defined(__SUNPRO_CC) || \ |
| defined(__xlc__) || \ |
| defined(__xlC__) |
| # define GIT_TLS __thread |
| |
| /* ICC may run on Windows or Linux */ |
| # elif defined(__INTEL_COMPILER) |
| # if defined(_WIN32) || defined(_WIN32_CE) |
| # define GIT_TLS __declspec(thread) |
| # else |
| # define GIT_TLS __thread |
| # endif |
| |
| /* Declspec for MSVC in Win32 */ |
| # elif defined(_WIN32) || \ |
| defined(_WIN32_CE) || \ |
| defined(__BORLANDC__) |
| # define GIT_TLS __declspec(thread) |
| |
| /* Other platform; no TLS */ |
| # else |
| # undef GIT_HAS_TLS |
| # define GIT_TLS /* nothing: tls vars are thread-global */ |
| # endif |
| #else /* Disable TLS if libgit2 is not threadsafe */ |
| # define GIT_TLS |
| #endif /* GIT_THREADS */ |
| |
| #endif /* INCLUDE_git_thread_utils_h__ */ |
